1) Which of these materials is a good conductor of electricity? Select all that are correct. a) Rubber b) Newspaper c) Metal d) Glass e) Water f) Silver 2) Which of these materials is a good insulator? Select all that are correct. a) Rubber b) Copper c) Plastic d) Glass e) Water f) Iron 3) How does a switch work in a current? a) It constantly allows electricity to flow b) It does not allow electricity to flow through at all c) The switch lets electricity pass through it when it is closed d) The switch lets electricity pass through it when it is open 4) Many electrical wires are wrapped with a rubber coating because rubber is - a) Cheaper than copper b) More durable than steel c) Able to keep its shape d) A good insulator 5) Materials that electricity can easily flow through are known as... a) Insulators b) Conductors c) Rubber d) Wood 6) In a circuit, where does electricity always flow from? a) Light bulb b) Wire c) Cell d) Switch e) Buzzer f) Motor 7) A/an _________________ is a material that will not allow electricity to flow through it. a) Insulator b) Conductor 8) What is this symbol? a) Bulb b) Cell c) Buzzer d) Switch 9) What is this symbol? a) Bulb b) Cell c) Buzzer d) Switch 10) What is this symbol? a) Bulb b) Cell c) Buzzer d) Switch 11) What is this symbol? a) Bulb b) Cell c) Buzzer d) Switch 12) Is this circuit complete, or broken? a) Complete b) Broken 13) Why is it broken? a) The wire is broken b) The switch is closed so electricity is flowing through it constantly, which is unsafe c) The bulb is not in the right place d) The switch is open, this means it has caused a break in the circuit until it is switched on and electricity can flow through it

Year 4 Science- Electricity

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